Luminaire



FIG. 1 shows a front, top, left side perspective view of a luminaire;

FIG. 2 shows a back, top, left side perspective view thereof;

FIG. 3 shows a front elevation view thereof;

FIG. 4 shows a back elevation view thereof;

FIG. 5 shows a side elevation view thereof;

FIG. 6 shows a bottom plan view thereof; and,

FIG. 7 shows a top plan view thereof.

The broken line showing of a luminaire is included for the purpose of illustrating portions of the article that form no part of the claimed design. 

CLAIM The ornamental design for a luminaire, as shown and described. 